Why Kbin insead Lemmy?
Just that
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Kbin's software is much more impressive to me, despite being a lot newer it's far more robust. Having dual functionality for both threads and microblogs is really cool for the Fediverse.
And yeah, the tankie thing.
Is there a good Android app for Kbin?
There's one in development, you should be able to find out more at @ArtemisApp